Most NASCAR Teams use nitrogen in their tires instead of air.
62
The first baseball caps were made of straw.
226
There is a growing sport in Berlin and London called Chess Boxing. Players alternate between a round of chess and a round of boxing until one is declared winner either by checkmate, KO, or technical stoppage.
8
In 1998, Serena and Venus Williams said they could beat any man ranked 200 or worse in a game of tennis. Karsten Braasch, ranked 203, accepted the challenge and easily beat them, 6-1, 6-2.
16
All major league baseball umpires must wear black underwear while on the job!
104
Boxer Wladimir Klitshko auctioned his Olympic gold medal to raise money for underprivileged Ukrainian children. He raised $1,000,000. The buyer immediately returned the medal to Wladimir as he wanted it to remain in the Klitschko family.
4
At 120 miles per hour, a Formula One car generates so much downforce that it can drive upside down on the roof of a tunnel.
91